149430258 has 40 divisors (see below), whose sum is σ = 335564460. Its totient is φ = 49701600.

The previous prime is 149430257. The next prime is 149430263. The reversal of 149430258 is 852034941.

It can be written as a sum of positive squares in 2 ways, for example, as 104714289 + 44715969 = 10233^2 + 6687^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149430251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114208 + ... + 115508.

Almost surely, 2^149430258 is an apocalyptic number.

149430258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149430258 is an abundant number, since it is smaller than the sum of its proper divisors (186134202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149430258 is a wasteful number, since it uses less digits than its factorization.

149430258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 149430258 is about 12224.1669654828. The cubic root of 149430258 is about 530.6557186077.

The spelling of 149430258 in words is "one hundred forty-nine million, four hundred thirty thousand, two hundred fifty-eight".